This site is the Professional Go Dataset (PGD) that is used in our AAAI-2017 paper "J Wang, W Wang, R Wang, W Gao. Beyond monte carlo tree search: playing go with deep alternative neural network and long-term evaluation.
The total number of PGD is 253,233 which is larger than popular Go datasets such as GoGoD (around 80k). Note that most records in KGS dataset is played by lower dan players.